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 Yearling
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2d
comment Spacecurve of intersection between surfaces
So, you've revised the defn of alpha to now be 2*t+6 rather than the original 2*t-6. Ok. But you also revised and added the "above z=3" condition. Are you sure that you have it right yet?
2d
comment Spacecurve of intersection between surfaces
Well, then re-do the computations, and notice that your now revised surfaces intersect in more than one way. You can also try it with the following, which you can also display with the actual surfaces. plots:-intersectplot(eval(z,opp),eval(z,alpha),x=-4..2,y=-12..12,grid=50)
2d
revised Spacecurve of intersection between surfaces
Quoting `S[1]` and `S[2]` in text. Mentioning `intersectplot`.
2d
answered Spacecurve of intersection between surfaces
Jul
30
answered Maple not able to calculate Bernstein polynomial
Jun
22
awarded  Yearling
Jun
18
answered how to get maple to do linear algebra in Z_2 (integers modulo 2)
Jun
16
answered How to create lattice diagrame in maple 14?
Jun
1
answered A problem with Maple Polynomial Curve Fitting
May
20
comment solve recurrence relation: comparisons to construct binary search tree with maple
I quite agree (and vote up). Perhaps I ought to have also shown my programmatic steps which did that (using summation calls).
May
20
comment solve recurrence relation: comparisons to construct binary search tree with maple
Your first part is very similar to the sequence of steps I did (but all done using Maple, and not shown explicitly) to obtain the arguments I passed to rsolve in my answer. But I passed it an equation with it(n+1) and it(n) whereas you subsequently decremented the index to get a final equation with i(n) and i(n-1). The result from rsolve for term i(n) is the same, however. And it generates the same values.
May
20
comment MAple 17 won't evaluate my integral
If you entered it in 2D Math (the default) then did you remember to place a space (or explicit multiplication symbol) between the Pi and the first opening bracket? If you missed that then Maple will interpret your supposed integrand as a function application (the name Pi of an unknown function applied to something) rather than as a product (Pi multiplied by something).
May
19
answered solve recurrence relation: comparisons to construct binary search tree with maple
May
12
awarded  Informed
Apr
30
answered How to plot the sum of two numerical solutions obtained by Maple?
Apr
9
answered How simplify and expand work in Maple
Apr
6
answered Difference between two real roots with uniformly distributed coefficents
Mar
23
answered isolate a term within an equation in maple
Mar
6
comment Matrix Multiplication in Maple
This is a software question and not about mathematics and so is off-topic here. A more suitable site for Maple programming questions would be www.stackoverflow.com or www.mapleprimes.com . fwiw the code you posted should be always fast. This looks like something to contact support@maplesoft.com about. It'd also make more sense to mention your OS platform and product version.
Feb
2
comment Maple produces only errors
This is one of three reports I've seen of this unusual and unexpected error message. There are hints that it may be due to a corrupted (upgrade?) installer for Maple 18.02. I suggest containing support@maplesoft.com and asking about a download of a valid, full 18.02 installer. See mapleprimes.com/questions/… and mapleprimes.com/questions/203393-Maple-18-Does-Not-Integrate